// Update is called once per frame
void Update()
{
// 清空
for (int i = 0; i < Gravitys.Length; i++)
{
Gravity gravity = Gravitys[i];
gravity.ClearForce();
}
// 每两个物体之间加引力
for (int i = 0; i < Gravitys.Length; i++)
{
Gravity gravity = Gravitys[i];
for (int j = i + 1; j < Gravitys.Length; j++)
{
Gravity gravity2 = Gravitys[j];
Vector3 dir = gravity2.transform.position - gravity.transform.position;
Vector3 force = gravity.Mass * gravity2.Mass * dir * Mathf.Pow(Vector3.SqrMagnitude(dir), 2 / 3) * Scale;
gravity.AddForce(force);
gravity2.AddForce(-force);
}
}
// 触发update
for (int i = 0; i < Gravitys.Length; i++)
{
Gravity gravity = Gravitys[i];
gravity.LetUpdate();
}
}